Jung San (Korean: 정산; born (1985-01-23)January 23, 1985), more commonly known by his stage name San E (Korean: 산이), is a South Korean rapper. He debuted in 2010 under JYP Entertainment, where he was the label's first solo rapper. He left the company in 2013 to sign with hip hop label Brand New Music. He left the company in 2018 and established hip hop label FameUs Entertainment in 2019.

San E has released one full-length album: The Boy Who Cried Wolf (2015), and three extended plays: Everybody Ready? (2010), 'Not' Based on the True Story (2013), and Season of Suffering (2017). San E has received several major awards, including Best Hip Hop Song at the 2010 Korean Music Awards, Best Rap Performance at the 2015 Mnet Asian Music Awards, and the Hip Hop Award at the 2016 Golden Disc Awards and at the 2016 Seoul Music Awards.